/* ===== 帮助指引 /guide/ ===== */

.page-faq {
  padding-bottom: 4.5rem;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding-top: 1rem;
}

.page-faq .faq-frame {
  position: relative;
  display: grid;
  gap: 1.5rem;
  padding: 1.5rem 1.15rem;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(130% 100% at 8% 0%, rgba(200, 255, 61, 0.1), transparent 55%),
    linear-gradient(158deg, var(--deep) 0%, var(--ink) 74%);
}

.page-faq .faq-frame::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px dashed rgba(157, 184, 170, 0.16);
  pointer-events: none;
}

.page-faq .faq-hero-main,
.page-faq .faq-hero-media {
  position: relative;
  z-index: 1;
}

.page-faq .faq-eyebrow {
  display: inline-block;
  margin: 0;
  padding: 0.3rem 0.65rem;
  border: 1px solid rgba(200, 255, 61, 0.45);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-faq .faq-h1 {
  margin: 1.1rem 0 0.85rem;
  font-family: var(--sans);
  font-size: clamp(1.75rem, 6.4vw, 3rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 48ch;
  color: var(--moss);
  font-size: 0.975rem;
  line-height: 1.85;
}

.page-faq .faq-hot {
  display: grid;
  gap: 0.45rem;
  margin-top: 1.4rem;
}

.page-faq .faq-hot a {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  background: rgba(8, 18, 14, 0.4);
  color: var(--fog);
  font-size: 0.92rem;
  text-decoration: none;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), color 0.22s var(--ease);
}

.page-faq .faq-hot a span {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--orange);
}

.page-faq .faq-hot a:hover,
.page-faq .faq-hot a:focus-visible {
  border-color: var(--lime);
  background: rgba(200, 255, 61, 0.08);
  color: var(--lime);
}

.page-faq .faq-hero-media {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 2rem;
  padding-top: 2.5rem;
}

/* ---------- 问题索引 ---------- */
.page-faq .faq-index {
  border-top: 2px solid var(--orange);
  padding-top: 0.9rem;
}

.page-faq .faq-index-title {
  margin: 0 0 0.7rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--moss);
}

.page-faq .faq-index ol {
  display: grid;
  gap: 0.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index a {
  display: flex;
  gap: 0.6rem;
  padding: 0.5rem 0.55rem;
  border-left: 2px solid transparent;
  color: var(--moss);
  font-size: 0.9rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-index a .n {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--orange);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--fog);
  border-left-color: var(--lime);
  background: rgba(200, 255, 61, 0.06);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.page-faq .faq-sections > .faq-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
}

.page-faq .faq-sec-num {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  color: rgba(200, 255, 61, 0.12);
  -webkit-text-stroke: 1px rgba(200, 255, 61, 0.7);
}

.page-faq .faq-sec-title {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(1.12rem, 3.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--fog);
}

.page-faq .faq-sec > p {
  margin: 0 0 0.9rem;
  color: var(--moss);
  font-size: 0.95rem;
  line-height: 1.85;
}

.page-faq .faq-sec > p strong {
  color: var(--fog);
  font-weight: 600;
}

.page-faq .faq-sec > p a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-sec > p a:hover {
  color: var(--lime);
}

/* ---------- 步骤卡 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 0.45rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: 0.7rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  background: var(--lift);
  counter-increment: faq-step;
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--lime);
  padding-top: 0.15rem;
}

.page-faq .faq-steps li span {
  color: var(--fog);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---------- 圆点列表 ---------- */
.page-faq .faq-bullets {
  display: grid;
  gap: 0.5rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-bullets li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--moss);
  font-size: 0.92rem;
  line-height: 1.78;
}

.page-faq .faq-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-faq .faq-bullets li strong {
  color: var(--fog);
  font-weight: 600;
}

/* ---------- 设备时间轴 ---------- */
.page-faq .faq-timeline {
  display: grid;
  gap: 1rem;
  margin: 0 0 1.25rem;
  padding: 0 0 0 1.1rem;
  border-left: 1px solid var(--line-strong);
  list-style: none;
}

.page-faq .faq-timeline li {
  position: relative;
}

.page-faq .faq-timeline li::before {
  content: "";
  position: absolute;
  left: calc(-1.1rem - 4px);
  top: 0.45rem;
  width: 7px;
  height: 7px;
  background: var(--amber);
  border-radius: 50%;
}

.page-faq .faq-timeline li.is-now::before {
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 61, 0.16);
}

.page-faq .faq-tl-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.2rem;
}

.page-faq .faq-tl-name {
  color: var(--fog);
  font-size: 0.94rem;
  font-weight: 600;
}

.page-faq .faq-tl-time {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--moss);
}

.page-faq .faq-tl-note {
  margin: 0;
  color: var(--moss);
  font-size: 0.875rem;
  line-height: 1.7;
}

/* ---------- 双端对比 ---------- */
.page-faq .faq-device-media {
  margin: 0 0 1.25rem;
}

.page-faq .faq-device-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-faq .faq-compare {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.page-faq .faq-compare-col {
  padding: 1rem 1rem 1.1rem;
  border: 1px solid var(--line);
  background: var(--deep);
}

.page-faq .faq-compare-tag {
  display: inline-block;
  margin: 0 0 0.55rem;
  padding: 0.14rem 0.5rem;
  border: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.page-faq .faq-compare-col--lime .faq-compare-tag {
  color: var(--lime);
}

.page-faq .faq-compare-col--orange .faq-compare-tag {
  color: var(--orange);
}

.page-faq .faq-compare-title {
  margin: 0 0 0.65rem;
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .faq-compare-col ul {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-compare-col li {
  position: relative;
  padding-left: 0.95rem;
  color: var(--moss);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-faq .faq-compare-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  background: var(--moss);
}

.page-faq .faq-compare-col--lime li::before {
  background: var(--lime);
}

.page-faq .faq-compare-col--orange li::before {
  background: var(--orange);
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 0.6rem;
  margin: 1.1rem 0;
}

.page-faq .faq-contact-item {
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: rgba(23, 59, 44, 0.55);
}

.page-faq .faq-contact-key {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--moss);
}

.page-faq .faq-contact-val {
  display: block;
  color: var(--fog);
  font-size: 0.92rem;
  line-height: 1.6;
  word-break: break-word;
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.1rem;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-acc {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.95rem 0.2rem;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--fog);
  list-style: none;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--lime);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
}

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible,
.page-faq .faq-item[open] summary {
  color: var(--lime);
}

.page-faq .faq-answer {
  margin: 0;
  padding: 0 0.2rem 1.05rem;
  color: var(--moss);
  font-size: 0.92rem;
  line-height: 1.85;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-frame {
    padding: 2rem 1.75rem;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-hot {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-hot a:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-index ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.15rem 0.5rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-frame {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: stretch;
    gap: 2.25rem;
    padding: 2.5rem 2.25rem;
  }

  .page-faq .faq-hero-media {
    align-self: stretch;
  }

  .page-faq .faq-hero-media img {
    height: 100%;
    aspect-ratio: auto;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
    padding-top: 3.25rem;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-index ol {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-sec {
    scroll-margin-top: 110px;
    padding-top: 2rem;
    margin-bottom: 1rem;
  }

  .page-faq .faq-sec > p {
    font-size: 1rem;
    max-width: 68ch;
  }

  .page-faq .faq-tl-note,
  .page-faq .faq-bullets li,
  .page-faq .faq-answer {
    max-width: 66ch;
  }
}
</main>